If you hit golf shots that fly to the left of the target, try the following drill to help you create a straighter ball flight.
As you swing the club head away from the ball on your backswing, work on pointing the toe of the club head upwards towards the sky. This allows the club face to rotate over into a more open position, meaning the club face will return back to the ball pointing more to the right than with previous swings, allowing you to hit shots more to the right than achieved by previous swings.
If you swing the club head away from the ball and keep the club face pointing towards the floor, you are actually closing the club face. Try swinging the club head only up to waist height but keep the club face pointing towards the floor. Now return down to the ball and you will see that the club face returns pointing to the left.
The correct position for the club face at waist height is toe up to the sky. If you try holding the club out in front of you at waist height and swing the club away at this height you will see that your hands rotate over clockwise and that the club face also does this. This rotation is a natural movement and as you swing back towards your start position, your arms and hands rotate counter clockwise and return the club face back to it's original position.
Now tilt forward into your golf position and allow yourself to make the same movement. You will see that the toe of the club points upwards towards the sky and the club face has rotated so that it is facing the camera.
Working on turning the toe of the club head upwards to the sky on your takeaway will allow you to maintain the correct club face position during your backswing and will make it much easier for you to return the club face back to the ball and into it's starting position, pointing at the target.